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  3. Certificates
  • ISO9001:2008 Quality Management System Certificate
    In June, 2014, we were certified to ISO900:2008 standards, which covers casting, rolling, production and sales of aluminium materials, aluminum alloy materials, aluminum alloy sheets and coils.

  • Approval of Manufacturer Certificate
    Manufacturers approved on this certificate are allowed to deliver according to DNV and GL rules. Materials to be used in DNV GL classed objects must fulfill material requirements as set forth in DNV GL class rules.

  • Certificate of Classification Society
    Issued at Høvik on March 9th, 2016
    The manufacturer approved on this certificate is allowed to deliver according to DNV and GL rules.

Currently, Yintai has applied for 47 patents, 25 of which have been authorized. This includes 16 invention patents and 9 utility patents.

  • A method to prevent the relative slip between the tension measuring roller and the rolling strip. Publication date: January 13th, 2016

  • Method of controlling rolling bite
    Publication date: July 9th, 2014

  • Prediction method for the rolling width of flat aluminum alloy material
    Publication date: August 27th, 2014

  • Rolling method for preventing the cracks formed at 2 ends of aluminum alloy slabs
    Publication date: February 10th, 2016

Guangxi Liuzhou Yinhai Aluminum Co., Ltd.

Add.: No.11, Yangtai Road, Yanghe New Area, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region, China
Tel.: +86-772-3511420
Fax: +86-772-3167609